My Profile
  1. Member Settings
  2. My Devices
  3. Sign Out
Log In
    Favorites
        More Settings
      Elev undefined ft, undefined °undefined undefined °undefined

      Darnestown, MD

      undefined Station71°
      Updated: 2:50 AM EDT on September 18, 2026 (GMT -4)
      5 minutes ago
      85°
      66°
      71
      Feels Like 71
      Mostly Cloudy
      N
      2
      Similar temperature is expected today
      50
      50
      575
      90
      50
      7
      0 mph
      50
      50
      50
      50
      50
      50
      Radar · Now
        Hyper-local data from Weather Underground's network of
        400,000+ personal weather stations worldwide
        Tonight
        Thu 09/17
        Low 70°f
         15% Precip. / 0 in
        Partly cloudy. Slight chance of a rain shower. Low around 70F. Winds light and variable.
        Tomorrow
        Fri 09/18
        High 83°f
         24% Precip. / 0 in
        Partly cloudy skies. Slight chance of a rain shower. High 83F. Winds NNW at 5 to 10 mph.
        Tomorrow night
        Fri 09/18
        Low 60°f
         11% Precip. / 0 in
        A few clouds. Low near 60F. Winds NNE at 5 to 10 mph.
        Hourly Forecast
        Now
        71°
        3AM
        71°
        4AM
        71°
        5AM
        71°
        6AM
        72°
        6:53AM
        Sunrise
        7AM
        71°
        8AM
        73°
        9AM
        76°
        10AM
        78°
        11AM
        80°
        12PM
        81°
        1PM
        82°
        2PM
        82°
        3PM
        82°
        4PM
        82°
        5PM
        81°
        6PM
        79°
        7PM
        77°
        7:12PM
        Sunset
        8PM
        75°
        9PM
        72°
        10PM
        71°
        11PM
        69°
        12AM
        68°
        1AM
        68°
        2AM
        67°
        Precipitation
        24%
        Pollen
        Ragweed Pollen
        High
        Air Quality
        56
        Moderate
        UV Index
        0
        Low
        Additional Conditions
        1. Pressure 30.06 in
        2. Visibility 9 miles
        3. Clouds Mostly Cloudy
        4. Dew Point71°F
        5. Humidity 100%
        6. Rainfall 0 in
        7. Snow Depth 0 in
         KGAI Station History
        Almanac for September 18, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 85°F 77°F 91°F 1927
        4. Low 66°F 56°F 39°F 1943
        5. Rain/Snow Depth
        6. Precipitation 0 in 0.14 in -
        7. Snow 0 in - in -
        Almanac for September 19, 2026
        1. Forecast Average Record
        2. Temperature
        3. High 82°F 77°F 92°F
        4. Low 66°F 56°F 36°F
        Astronomy
        1. Sun Rise Set
        2. Actual Time 6:53 AM 7:12 PM
        3. Civil Twilight 6:26 AM 7:39 PM
        4. Nautical Twilight 5:55 AM 8:10PM
        5. Astronomical Twilight 5:22 AM 8:42 PM
        1. Length of Visible Light 13h 12m
        2. Length of Day 12h 19m
        3. Tomorrow will be 2 minutes 31 seconds shorter
        1. Moon 2:38 PM 11:30 PM
        2. First Quarter49% of the Moon is Illuminated
        Sep 18
        Waxing Half First Qtr
        Sep 26
        Full Moon
        Oct 3
        Waning Half Last Qtr
        Oct 10
        New Moon
        Precipitation
        Loading…
        Health
        Loading…
        Weather Alerts
        Loading…
        Our AppsAbout UsContactCareersWeather Data APIs
        PWS NetworkWundermap
        Terms of UsePrivacy PolicyCookie NoticeAccessibility StatementAdChoicesData Vendors
        essentialaccessibility.com
        We recognize our responsibility to use data and technology for good. We may use or share your data with our data vendors. Take control of your data.
        Review All Privacy and Ad Settings
        Choose how my information is shared
        Data Rights
        The Weather Company The Weather Channel Weather Underground Storm Radar
        © The Weather Company, LLC 2026
        Glossary